23145044553 has 24 divisors (see below), whose sum is σ = 35896887936. Its totient is φ = 14317833600.

The previous prime is 23145044551. The next prime is 23145044561. The reversal of 23145044553 is 35544054132.

23145044553 is a `hidden beast` number, since 2 + 3 + 14 + 50 + 44 + 553 = 666.

It is not a de Polignac number, because 23145044553 - 2¹ = 23145044551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23145044551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1054453 + ... + 1076178.

It is an arithmetic number, because the mean of its divisors is an integer number (1495703664).

Almost surely, 2^23145044553 is an apocalyptic number.

It is an amenable number.

23145044553 is a deficient number, since it is larger than the sum of its proper divisors (12751843383).

23145044553 is a wasteful number, since it uses less digits than its factorization.

23145044553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130725 (or 2130722 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 23145044553 its reverse (35544054132), we get a palindrome (58689098685).

The spelling of 23145044553 in words is "twenty-three billion, one hundred forty-five million, forty-four thousand, five hundred fifty-three".